Variations on Difficult Education Sudoku Logic Puzzles (Vol 1)
Chapter 4: Fifteen Difficult HyperEducation Puzzles (numbers 16-30)
- Step-by-step instructions for solving Puzzle 16, (58/81) Diff: 13/4.2411.1225.4998
- Step-by-step instructions for solving Puzzle 17, (59/81) Diff: 13/4.2464.2457.8634
- Step-by-step instructions for solving Puzzle 18, (58/81) Diff: 14/64.5323.3675.4532
- Step-by-step instructions for solving Puzzle 19, (56/81) Diff: 11/455.2423.7992
- Step-by-step instructions for solving Puzzle 20, (54/81) Diff: 14/92.2211.1112.4898
- Step-by-step instructions for solving Puzzle 21, (58/81) Diff: 14/44.3112.3456.5694
- Step-by-step instructions for solving Puzzle 22, (52/81) Diff: 9/7.3664.3993
- Step-by-step instructions for solving Puzzle 23, (52/81) Diff: 14/72.6544.4223.1354
- Step-by-step instructions for solving Puzzle 24, (53/81) Diff: 14/64.32A1.1436.6763
- Step-by-step instructions for solving Puzzle 25, (54/81) Diff: 11/743.4523.7944
- Step-by-step instructions for solving Puzzle 26, (56/81) Diff: 12/3335.4334.6942
- Step-by-step instructions for solving Puzzle 27, (56/81) Diff: 14/63.4444.6125.6443
- Step-by-step instructions for solving Puzzle 28, (55/81) Diff: 9/7.6737.6962
- Step-by-step instructions for solving Puzzle 29, (57/81) Diff: 13/9.7113.7553.3651
- Step-by-step instructions for solving Puzzle 30, (53/81) Diff: 14/54.3223.4334.4844